anonymous
  • anonymous
PLZ HELP Determine whether each expression is a polynomial. 1. f(x)=3x+4/3x^3-7 2. g(x)=-5x^3+x-3/x 3. h(x)=x^3√5+x-3 4. k(x)=25x^2-x^3+x^5
Mathematics
chestercat
  • chestercat
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Mertsj
  • Mertsj
What is the definition of a polynomial?
anonymous
  • anonymous
um An expression of more than two algebraic terms.... but idk if #2 is one
anonymous
  • anonymous
can x be the denominator?

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Mertsj
  • Mertsj
A polynomial is an expression made with constants, variables and exponents which are combined using addition, subtraction and multiplication...but not division The exponents can only be 0,1,2,3... It cannot have a infinite number of terms.
Mertsj
  • Mertsj
So is # 1 a polynomial?
anonymous
  • anonymous
so one and two are not
Mertsj
  • Mertsj
Right
anonymous
  • anonymous
and three and four are because they are not dividing
Mertsj
  • Mertsj
Because they are made with constants, variables and exponents combined with addition, subtraction and multiplication. And there are no fractional or negative exponents.
anonymous
  • anonymous
sweet thank you!!! everytime you help me I understand it.. so thank you!!!!
Mertsj
  • Mertsj
yw

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